988208720

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{39719}}^1$

素因数の和:40043

約数の個数: 40

約数和(自身を含む): 2305031040

約数和(自身を除く): 1316822320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 39719, 79438, 158876, 198595, 317752, 397190, 635504, 794380, 1588760, 3177520, 12352609, 24705218, 49410436, 61763045, 98820872, 123526090, 197641744, 247052180, 494104360, 988208720]

約数ペア:

[(1, 988208720), (2, 494104360), (4, 247052180), (5, 197641744), (8, 123526090), (10, 98820872), (16, 61763045), (20, 49410436), (40, 24705218), (80, 12352609), (311, 3177520), (622, 1588760), (1244, 794380), (1555, 635504), (2488, 397190), (3110, 317752), (4976, 198595), (6220, 158876), (12440, 79438), (24880, 39719)]